The mean diameters of Mars and Earth are 6.9 x 103 km and 1.3 x 104 km,

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The mean diameters of Mars and Earth are 6.9 x 103 km and 1.3 x 104 km, respectively. The mass of Mars is 0.11 times Earth's mass

(a) What is the ratio of the mean density (mass per unit volume) of Mars to that of Earth?

(b) What is the value of the gravitational acceleration on Mars?

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Jan 17, 2011 04:46 AM

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The mean diameters of Mars and Earth are 6.9 x 103 km and 1.3 x 104 km,

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a The density of a uniform sphere is given by p 3M...View the full answer

Fundamentals of Physics

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